Our Gold Stryker® GS 4000HD is a high quality made here in the USA flail impact gold mill and can process and crush up to 2 3 tons of rock a day all the way down to 300 mesh through the mill to release the gold Perfect for the small gold mining operation The Gold Stryker® GS 4000HD measures 4 1 2 feet tall and has a footprint of 44 by 50 and weighs 250 pounds and uses a 13 Horsepower